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introduce pa_{sink|source}_get_latency_within_thread()

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This commit is contained in:
Lennart Poettering 2009-04-05 02:46:38 +02:00
parent d035f4a3f3
commit ce73e715c9
4 changed files with 55 additions and 0 deletions
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26
src/pulsecore/source.c
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@ -617,6 +617,32 @@ pa_usec_t pa_source_get_latency(pa_source *s) {
return usec;
}
/* Called from IO thread */
pa_usec_t pa_source_get_latency_within_thread(pa_source *s) {
pa_usec_t usec = 0;
pa_msgobject *o;
pa_source_assert_ref(s);
pa_assert(PA_SOURCE_IS_LINKED(s->thread_info.state));
/* The returned value is supposed to be in the time domain of the sound card! */
if (s->thread_info.state == PA_SOURCE_SUSPENDED)
return 0;
if (!(s->flags & PA_SOURCE_LATENCY))
return 0;
o = PA_MSGOBJECT(s);
/* We probably should make this a proper vtable callback instead of going through process_msg() */
if (o->process_msg(o, PA_SOURCE_MESSAGE_GET_LATENCY, &usec, 0, NULL) < 0)
return -1;
return usec;
}
/* Called from main thread */
void pa_source_set_volume(pa_source *s, const pa_cvolume *volume) {
pa_cvolume old_virtual_volume;